Merge "Mark android.net.sip code as deprecated." am: 3b36aa32fa am: 346a19a3ce am: b40dd1553c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1540225

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I6ca4d3dba079f543ffeb2795e6f4e657e6876ae7